787
FNUS73 KABR 041126
FWSABR
SPOT FORECAST FOR HELGESON RX...STATE OF SOUTH DAKOTA
NATIONAL WEATHER SERVICE ABERDEEN SD
626 AM CDT WED JUN 4 2025
FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON JUNE 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WINDS WILL REMAIN OUT OF THE WEST THROUGH THE
DAYTIME HOURS TODAY AROUND 6 TO 8 MPH WITH GUSTS OF 10 TO 15 MPH.
RELATIVE HUMIDITY VALUES WILL FALL TO NEAR 30 PERCENT THIS
AFTERNOON. LOOK FOR FLAT AFTERNOON CUMULUS CLOUDS TO DEVELOP AGAIN
THIS AFTERNOON. WE ARE EXPECTING ANY SMALL POP UP AFTERNOON RAIN
SHOWERS TO STAY WEST OF THE HELGESON RX AREA, WITH ONLY A 10
PERCENT CHANCE OF PRECIPITATION MAINLY BETWEEN 1600 AND 1900.
WINDS WILL DIMINISH TO AROUND 5 MPH OR LESS BY 2200.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (40-50 PERCENT).
CWR.................2 PERCENT.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF LIGHTNING.3 PERCENT.
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........30 PERCENT.
WIND (20 FT)........WEST WINDS 6 TO 8 MPH.
MIXING HEIGHT.......5300-8300 FT AGL.
TRANSPORT WINDS.....WEST AROUND 9 MPH.
SMOKE DISPERSAL.....FAIR (42600 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (66600 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........25 33 47 59 67 69 69
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 10 10
CHC OF LTNG (%).0 0 0 0 0 0 0
TEMP............68 70 71 72 73 74 72
RH..............38 35 32 32 30 30 32
20 FT WIND DIR..W W W W W W SW
20 FT WIND SPD..6 7 7 7 8 8 8
20 FT WIND GUST.10 12 13 13 14 14 13
MIX HGT (KFT)...5.3 7.5 8.3 7.7 7.4 7.3 6.9
SMOKE DISPERSAL.FR GD GD GD FR FR FR
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT).
CWR.................2 PERCENT.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF LIGHTNING.5 PERCENT.
MIN TEMPERATURE.....AROUND 49.
MAX HUMIDITY........86 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 8 MPH IN THE EVENING AND
OVERNIGHT BECOMING LIGHT.
MIXING HEIGHT.......200-6400 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 9 MPH SHIFTING TO THE NORTH AROUND 7
MPH AFTER 3 AM, THEN SHIFTING TO THE WEST EARLY
IN THE MORNING.
SMOKE DISPERSAL.....FAIR (51500 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (1000 KNOT-FT) LATE IN THE
NIGHT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........67 64 47 38 37 39 40 42 42 41 42 50
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).10 0 0 0 0 0 10 10 0 0 10 10
CHC OF LTNG (%).0 0 0 0 0 0 0 10 0 0 10 10
TEMP............72 71 68 63 60 58 57 56 55 53 52 52
RH..............34 36 44 52 58 63 66 71 71 76 79 83
20 FT WIND DIR..SW SW SW SW SW SW SW W VRB VRB VRB VRB
20 FT WIND SPD..8 8 6 6 5 5 5 5 3 3 3 3
20 FT WIND GUST.13 12 9 8 8 8 7 7 7 7 7 7
MIX HGT (KFT)...6.4 6.0 4.2 0.7 0.4 0.4 0.4 0.3 0.3 0.3 0.3 0.2
SMOKE DISPERSAL.FR FR PR PR PR PR PR PR PR PR PR PR
FORECASTER...KF
REQUESTED BY...BRETT BLANK
TYPE OF REQUEST...PRESCRIBED
.TAG 2515324.0/ABR
.DELDT 06/04/25
.FORMATTERVERSION 2.0.0
.EMAIL BRETT.BLANK@STATE.SD.US
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